Grandstream Networks UCM630 Series User Manual page 420

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A key Dial-up FXO
Users can directly set a PSTN number on the "External Extension" text box to troubleshoot issues related to
the analog trunk easily, the following steps shows how to use this feature:
1. Configure analog trunk on UCM, including outbound route.
2. Enter a reachable external number in "External Extension".
3. Press "Start" button. The call will be initiated to the external number.
4. Answer and finish the call before pressing "Stop" button.
The trace will be available for analysis to download after output result shows "Done! Click on Download to
download the captured packets".
Figure 314: Troubleshooting Analog Trunks
UCM630X Series User Manual
Version 1.0.2.25
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